What's the difference between chromogen and colour?

Chromogen


Definition:

  • () Vegetable coloring matter other than green; chromule.
  • () Any colored compound, supposed to contain one or more chromophores.

Example Sentences:

  • (1) It includes preincubation of diluted plasma with ellagic acid and phospholipids and a starting reagent that contains calcium and a chromogenic peptide substrate for thrombin, Tos-Gly-Pro-Arg-pNA.
  • (2) The commercially available chromogenic p-nitroanilide substrates Pro-Phe-Arg-NH-Np (S2302 or chromozym PK), Glp-Pro-Arg-NH-Np (S2366), Ile-Glu-(piperidyl)-Gly-Arg-NH-Np (S2337), and Ile-Glu-Gly-Arg-NH-Np (S2222) were tested for their suitability as substrates in these assays.
  • (3) It has now achieved wide applicability to the measurement of cellular biochemical activity by means of stoichiometric chromogenic reactions.
  • (4) The turnover of fluorogenic substrates is lower for all enzymes than the turnover of chromogenic substrates but due to the more sensitive detection of fluorogenic products the detection limits for all conjugates were lowered too--especially for beta Gal-IgG by a factor of 333 compared to the colorimetric procedure.
  • (5) Methods based on the application of chromogenic and fluorogenic substrates enable specific and rapid detection of a variety of bacterial enzymatic activities.
  • (6) Fluorogenic 6-octanoyl- and 6-hexadecanoyl-amino-4-methylumbelliferyl beta-D-glucopyranoside were much less readily hydrolyzed by both human and animal glucocerebrosidase than chromogenic 2-hexadecanoylamino-4-nitrophenyl beta-D-glucopyranoside.
  • (7) Diethyldithiocarbamate did not influence the effects of NiCl2 on TBA-chromogens in liver homogenates or on serum AST and ALT activities but acted synergistically with NiCl2 to diminish serum alkaline phosphatase activity and to increase serum bilirubin concentration.
  • (8) The newly developed endotoxin specific chromogenic Limulus assay (endospecy test), which is devoid of factor G, did not react with any rabbit serum.
  • (9) Substratum-bound enzyme could be solubilized in buffers containing sodium dodecyl sulfate (SDS) or Triton X-100 and demonstrated by zymography following electrophoresis or assayed for amidolytic activity with a chromogenic substrate (Kabi S-2251).
  • (10) The released glycerol is oxidized with glycerol dehydrogenase from Erwinia aroideae in the presence of NAD+, were the reduction of the enzyme-linked NAD+ is coupled to the reduction of nitro blue tetrazolium as a chromogenic indicator with phenazine methosulfate serving as an intermediate electron carrier of NADH.
  • (11) The chromogenic substrate, CPRG (chlorophenol red-beta-D-galactopyranoside), was compared with ONPG (o-nitrophenyl-beta-D-galactopyranoside) by kinetic analysis with purified beta-galactosidase.
  • (12) Using peptide 4-methoxy-2-naphthylamide substrates (Bz-Arg-MNA, Z-Lys-Arg-MNA, Z-Gly-Arg-MNA, Z-Pro-Arg-MNA and Z-Gly-Pro-Arg-MNA) and Fast Garnet GBC as chromogen the red azo dye was found to precipitate in the cytoplasmic granules of the cutaneous mast cells.
  • (13) The continuous chromogenic tissue factor assay has been compared to one-stage and two-stage coagulation assays, and its sensitivity has been established using purified human placental tissue factor.
  • (14) Cleavage of chromogenic peptidyl substrate by TFA165A166.VIIa complexes was not diminished, demonstrating that TFA165A166 supported enhancement of catalytic function of the VIIa protease domain.
  • (15) Factor X-activating activity (FXAA) was determined by a chromogenic assay in normal and malignant breast tissue.
  • (16) Diaminobenzidine and tetramethylbenzidine were used as chromogens to distinguish ChAT (protein) and VIP (peptide) immunoreactivities.
  • (17) In an enzyme immunoassay for anti-Salmonella antibodies using glucose oxidase as the indicator enzyme, the molybdate-enhanced polyvinyl alcohol- and starch-glucose-iodide substrate systems were as sensitive as a conventional glucose oxidase assay system employing horseradish peroxidase as a secondary enzyme and a suitable hydrogen-donating chromogen.
  • (18) strain 3707, a chromogenic rapid grower; C72 to C78 (av.
  • (19) 4. alpha-D-mannosidase was the most active with both fluorescent and chromogenic substrates.
  • (20) A sample containing fibrin is incubated with t-PA, plasminogen and a plasmin-sensitive chromogenic substrate.

Colour


Definition:

  • (n.) See Color.

Example Sentences:

  • (1) A similar interference colour appeared after incubating sections of rat skin with chymase.
  • (2) What we’re doing is designed to improve people’s lives.” "I don't see race, colour or creed, and neither do my children," he added.
  • (3) They retained the ability to make this discrimination when the coloured stimuli were placed against a background bright enough to saturate the rods.3.
  • (4) Mendl's candy colours contrast sharply with the gothic garb of our hero's enemies and the greys of the prison uniforms – as well as scenes showing the hotel later, in the 1960s, its opulence lost beneath a drab communist refurb.
  • (5) On 17 December Clegg will set out his own script for the year ahead, testing the idea that coalition governments can function even as the two parties clearly show their separate colours.
  • (6) The Brandenburg Gate was lit up in the colours of the German flag.
  • (7) In his notorious 1835 Minute on Education , Lord Macaulay articulated the classic reason for teaching English, but only to a small minority of Indians: “We must do our best to form a class who may be interpreters between us and the millions whom we govern; a class of persons, Indians in blood and colour, but English in taste, in opinions, in morals and in intellect.” The language was taught to a few to serve as intermediaries between the rulers and the ruled.
  • (8) Bound biocytinyl-E2 is detected after binding of streptavidin-peroxidase and colour production by the enzyme.
  • (9) Significant biases in the distribution of cases of babesiosis were found with regard to season (P < 0,05), sex (P < 0,001) and coat colour (P < 0.01).
  • (10) In order to map the mental state in the early puerperium the authors gave to a group of 100 women for five days after delivery Lüscher's colour test.
  • (11) Trichophytosis (T. equinum) is characterized as typical numerous small and round patches, covered by small, bran-like, asbestos-coloured scales.
  • (12) Malvidin chloride (MC) a colouring agent from flowers of Malvaviscus conzattii Greenum was studied for male anti-fertility effects in adult langur monkeys (Presbytis entellus entellus Dufresne).
  • (13) The conclusion is to warn the orthopaedic surgeons to look carefully what model is behind the pretty coloured results.
  • (14) His bracelets and his hair, neatly gathered in a colourful elasticated band, contrast with his unflashy day-to-day uniform of checked shirts, jeans or cheap chinos and trainers.
  • (15) Blunt homicide predominated amongst White females, who were substantially older than the Coloured and African subjects.
  • (16) Variation of scrotal colour was not due to changes in melanocyte number or dispersion of melanosomes.
  • (17) Most striking finding was his difficulty in identifying common objects and colours along with a profound alexia.
  • (18) In three the diagnosis was only suspected when the colour Doppler study showed dilated intraseptal and epicardial vessels and an abnormal flow signal into the pulmonary artery in diastole; this latter signal localised the exact site of communication, which was not apparent on angiocardiography.
  • (19) The verbal coding and recognition of colours of a group of chronic schizophrenics and their normal controls were investigated.
  • (20) Scott insisted he was an abstract painter in the way he felt Chardin was too: the pans and fruit were uninteresting in themselves; they were merely "the means of making a picture", which was a study in space, form and colour.